When she returned back by abroad, she told us all about her experience as an illegal immigrant.()

A. by

B. back

C. from

D. back from

婚姻法司法解释三，是关于适用《中华人民共和国婚姻法》若干问题的解释，是（）对现行婚姻法的有效补充。

A.公安部

B.最高人民检察院检

C.最高人民法院

D.民政部